CD54HC374F3A ,High Speed CMOS Logic Octal Positive-Edge Triggered D-Type Flip-Flops with 3-State OutputFeatures Description• Buffered Inputs The ’HC374, ’HCT374, ’HC574, and ’HCT574 are octal D-typeflip ..
CD54HC374F3A ,High Speed CMOS Logic Octal Positive-Edge Triggered D-Type Flip-Flops with 3-State OutputFeatures Description• Buffered Inputs The ’HC374, ’HCT374, ’HC574, and ’HCT574 are octal D-typeflip ..
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CD54HC374F3A
High Speed CMOS Logic Octal Positive-Edge Triggered D-Type Flip-Flops with 3-State Output
CD54/74HC374, CD54/74HCT374, CD54/74HC574, CD54/74HCT574 SCHS183C High-Speed CMOS Logic Octal D-Type Flip-Flop, February 1998 - Revised May 2004 3-State Positive-Edge Triggered Features Description • Buffered Inputs The ’HC374, ’HCT374, ’HC574, and ’HCT574 are octal D-type flip-flops with 3-state outputs and the capability to drive 15 • Common Three-State Output Enable Control [ /Title LSTTL loads. The eight edge-triggered flip-flops enter data into (CD74 their registers on the LOW to HIGH transition of clock (CP). The • Three-State Outputs output enable (OE) controls the 3-state outputs and is HC374 • Bus Line Driving Capability independent of the register operation. When OE is HIGH, the , outputs are in the high-impedance state. The 374 and 574 are • Typical Propagation Delay (Clock to Q) = 15ns at D74 C o identical in function and differ only in their pinout arrangements. = 5V, C = 15pF, T = 25 C V CC L A HCT37 • Fanout (Over Temperature Range) Ordering Information 4, - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads CD74 TEMP. RANGE - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads o PART NUMBER ( C) PACKAGE HC574 o o • Wide Operating Temperature Range . . . -55 C to 125 C CD54HC374F3A -55 to 125 20 Ld CERDIP , CD54HC574F3A -55 to 125 20 Ld CERDIP • Balanced Propagation Delay and Transition Times D74 C CD54HCT374F3A -55 to 125 20 Ld CERDIP HCT57 • Significant Power Reduction Compared to LSTTL CD54HCT574F3A -55 to 125 20 Ld CERDIP Logic ICs CD74HC374E -55 to 125 20 Ld PDIP • HC Types CD74HC374M -55 to 125 20 Ld SOIC - 2-V to 6-V Operation CD74HC374M96 -55 to 125 20 Ld SOIC - High Noise Immunity: N = 30%, N = 30% of V IL IH CC CD74HC574E -55 to 125 20 Ld PDIP at V = 5V CC CD74HC574M -55 to 125 20 Ld SOIC • HCT Types CD74HC574M96 -55 to 125 20 Ld SOIC - 4.5-V to 5.5-V Operation CD74HCT374E -55 to 125 20 Ld PDIP - Direct LSTTL Input Logic Compatibility, CD74HCT374M -55 to 125 20 Ld SOIC V = 0.8V (Max), V = 2V (Min) IL IH CD74HCT374M96 -55 to 125 20 Ld SOIC - CMOS Input Compatibility, I ≤ 1µA at V , V l OL OH CD74HCT574E -55 to 125 20 Ld PDIP CD74HCT574M -55 to 125 20 Ld SOIC CD74HCT574M96 -55 to 125 20 Ld SOIC CD74HCT574PWR -55 to 125 20 Ld TSSOP NOTE: When ordering, use the entire part number. The suffixes 96 and R denote tape and reel. CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © 2004, 1
